초록

In the current corporate scenario, data or information security is the most significant asset because loss of information will lead to financial and market loss which in-turn will be the end of business. Though, the security guards like cryptography, watermarking, steganography have armed on the electromagnetic pathway against hackers, the concern on data protection is growing in parallel with the up-to-the-minute electronic technology. In this review, the role, strength and weakness of steganography especially different random image steganography techniques in protecting the data have been analyzed and in addition how random techniques can be made smarter and effective have also been explored.